Home / 741,871.22-1,023,975.61-470,070.86

Finding the Fourth Proportional to 741,871.22, 1,023,975.61 and 470,070.86

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Solution

The fourth proportional to 741,871.22, 1,023,975.61 and 470,070.86 is: 648,820.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,871.22 : 1,023,975.61 = 470,070.86 : x
  2. Step 2: Convert to fraction form
    741,871.22/1,023,975.61 = 470,070.86/x
  3. Step 3: Cross multiply
    741,871.22x = 1,023,975.61 × 470,070.86
  4. Step 4: Simplify right side
    741,871.22x = 481,341,089,316.67
  5. Step 5: Solve for x
    x = 481,341,089,316.67/741,871.22
  6. Step 6: Final answer
    x = 648,820.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.